delete tmp folder for make menuconfig so that new options will be displayed
delete tmp folder for make menuconfig so that new options will be displayed

the problem is that options introduced by patches won't be displayed because the cache will not be generated again, either we mix the patch lines with the other build lines, or we just delete the tmp folder

ffff-next/ffff-next,ffff-next/ffff-next,ffff-next/ffff-next,ffff-next/ffff-next